There are several major classifications of cruise ships and itineraries. International Association of cruise companies clia (Cruise Lines International Association), as well as leading international cruise guides "Berlitz", "Fodor" divided the sea routes depending on the cost of the day stay in 4 categories: cost ($ 75 – 150 per day, the court of companies Festival, Thomson, and former leader of "Shota Rustaveli" – now ASSEDO), classical ($ 100 – 200 per day, the company Carnival, Norwegian , Costa Cruises), premium-cruise ($ 150 – 400 per day Company Princess, Royal Caribbean, Holland America) and cruise luxury (up to $ 1000 per day, the company Silversea Cruises, Radisson Seven Seas, Crystal). The first international list of companies deluxe appear Silversea Cruises (exclusive representative in Russia – "Lanta-Tur Voyage"), the only relevant category 6 stars and working on the system ultra all inclusive, and offering high-quality, but more democratic Sports Crystal. In turn, the cruise ships are classified according to stardom – from 1 to 6 stars – and the group: Standart (2 *- 4 *), Premium (5 *- 5 * +) and Lux (6 *)..